Martini shaker



FIG. 1 is a front, top and left side perspective view of a martini shaker showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof; and,

FIG. 8 is a front, top and left side perspective view of the martini shaker with a container held between a top holder cap and a bottom holder ring of the martini shaker, with the bottom holder ring slid down to a lower position to accommodate the container.

The broken line in FIG. 8 showing the container is for the purpose of illustrating environmental structure and forms no part of the claimed design. 

The ornamental design for a martini shaker, as shown and described. 